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1. 发明专利

JP2012031843A Vehicle-mounted diesel engine and method of controlling diesel engine 有权
标题翻译：车辆安装柴油发动机及其控制方法
公开(公告)号：JP2012031843A
公开(公告)日：2012-02-16
申请号：JP2011090027
申请日：2011-04-14
申请人： Mazda Motor Corp , マツダ株式会社
发明人： MORINAGA SHINICHI , SHIMO DAISUKE , HAYASHIBARA HIROSHI , TANIMURA KENJI
IPC分类号： F02D41/04 , F02B23/06 , F02D13/02 , F02D41/38 , F02D43/00 , F02D45/00
CPC分类号： F02D41/3035 , F02D41/0057 , F02D41/3064 , F02D41/403 , F02D41/405 , F02D2041/3052 , Y02T10/44 , Y02T10/47
摘要： PROBLEM TO BE SOLVED: To provide a vehicle-mounted diesel engine A in which, when shifting a combustion mode between a premix combustion mode and a diffusion combustion mode, both of NVH and exhaust emission are certainly avoided to exceed their tolerance limits.SOLUTION: When shifting from a premix combustion mode to a diffusion combustion mode, an injection controller (ECU 40) switches a fuel injection pattern from a premix combustion pattern to a diffusion combustion pattern, executes fuel injection by setting the timing of the diffusion combustion pattern at a third timing that is later than a second timing in the diffusion combustion mode, and then executes a transition control in which the third timing is changed toward the second timing according to a change in an oxygen concentration in a cylinder 2.
摘要翻译：要解决的问题：提供一种车载柴油发动机A，其中当在预混合燃烧模式和扩散燃烧模式之间转换燃烧模式时，可以避免NVH和废气排放两者都超过它们的公差极限。解决方案：当从预混燃烧模式转换到扩散燃烧模式时，喷射控制器（ECU40）将燃料喷射模式从预混合燃烧模式切换到扩散燃烧模式，通过设置燃料喷射模式的定时来执行燃料喷射在扩散燃烧模式中比第二定时晚的第三定时进行扩散燃烧模式，然后根据气缸2中的氧浓度的变化，执行向第二定时改变第三定时的转变控制。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2009209748A Exhaust gas recirculation device for engine 审中-公开
标题翻译：用于发动机的排气回收装置
公开(公告)号：JP2009209748A
公开(公告)日：2009-09-17
申请号：JP2008052781
申请日：2008-03-04
申请人： Mazda Motor Corp , マツダ株式会社
发明人： NAKAI EIJI , MORINAGA SHINICHI , NAONO MASASHI , SUGANO HIROSHI , TANIMURA KENJI , UESUGI YASUNORI
IPC分类号： F02M25/07
CPC分类号： Y02T10/121
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas recirculation device for an engine capable of inhibiting deterioration of travelling by enabling early rise of supercharging pressure while inhibiting deterioration of NOx emission even in acceleration during exhaust emission recirculation control.
SOLUTION: This device is provided with an exhaust gas passage, an exhaust gas recirculation quantity control valve disposed in the exhaust gas passage, and an exhaust gas recirculation control means controlling opening of the exhaust gas recirculation quantity control valve with setting oxygen concentration as a target (s4, s13). The exhaust gas recirculation control device maintains opening of the exhaust gas recirculation quantity control valve constant (s7) when oxygen concentration is richer than prescribed value (s5, s6).
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过能够在排气再循环控制期间即使在加速时也能够抑制NOx排放的恶化而能够抑制增压压力的早期上升而抑制行驶的劣化的排气再循环装置。解决方案：该装置设置有废气通道，设置在排气通道中的排气再循环量控制阀和排气再循环控制装置，其控制具有设定氧浓度的废气再循环量控制阀的打开作为目标（s4，s13）。当氧浓度比规定值（s5，s6）更浓时，废气再循环控制装置维持排气再循环量控制阀的打开量（s7）。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2006009738A Fuel injection control device for engine 审中-公开
标题翻译：发动机燃油喷射控制装置
公开(公告)号：JP2006009738A
公开(公告)日：2006-01-12
申请号：JP2004190153
申请日：2004-06-28
申请人： Mazda Motor Corp , マツダ株式会社
发明人： UESUGI YASUNORI , TASHIRO YUJI , NAKAJIMA HIROYUKI , TANIMURA KENJI , TOYOKAWA SHOICHI , ISHIBASHI HIROYUKI , HIROSE MICHIYUKI
IPC分类号： F02D41/32 , F02D29/00 , F02D41/08 , F02D41/22 , F02D45/00
摘要： PROBLEM TO BE SOLVED: To compatibly establish control of fuel injection in two conditions of rise of engine speed due to request for re-acceleration from a driver and a rise of engine speed due to influence of resonance when fuel cut is performed at a time of resonance between a heavy member and an engine main body in a fuel injection control device for an engine performing fuel cut when engine speed becomes smaller then predetermined speed.
SOLUTION: Time measurement by a fuel cut determination timer is started at time t1 when engine speed under an idling condition becomes smaller than a first predetermined speed N1 and fuel cut is performed after predetermined delay time To passes. If engine speed exceeds second predetermined speed N2 before measured time becomes fuel cut delay time To, fuel cut control is stopped. If engine speed exceeds second predetermined speed N2 after fuel cut delay time To, fuel cut control is continued.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了在由驾驶员重新加速的要求引起的两个发动机转速上升的情况下兼容地建立燃油喷射的控制，以及在燃油切断时由共振的影响引起的发动机转速的上升当发动机转速变得小于预定速度时，在用于执行燃料切断的发动机的燃料喷射控制装置中的重型部件和发动机主体之间的共振时间。解决方案：在怠速条件下的发动机转速小于第一预定速度N1的时刻t1，通过燃料切断判断定时器的时间测量开始，在规定的延迟时间To之后进行燃料切断。如果在测量时间成为燃料切断延迟时间T0之前发动机转速超过第二预定速度N2，则停止燃料切断控制。如果在燃料切断延迟时间T0之后的发动机转速超过第二预定速度N2，继续燃料切断控制。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2007023831A Engine fuel injection control device 有权
标题翻译：发动机燃油喷射控制装置
公开(公告)号：JP2007023831A
公开(公告)日：2007-02-01
申请号：JP2005204643
申请日：2005-07-13
申请人： Mazda Motor Corp , マツダ株式会社
发明人： TANIMURA KENJI , NAKAI EIJI , SAWARA MASANORI , MORINAGA SHINICHI , SASAKI KAZUNARI
IPC分类号： F02D41/04 , B60K31/00 , F01N3/02 , F01N3/20 , F02D29/02 , F02D41/38 , F02D45/00
CPC分类号： F02D41/029 , B60K31/00 , F02D41/025 , F02D41/1448 , F02D41/402 , F02D41/405 , F02D2200/0812 , Y02T10/44
摘要： PROBLEM TO BE SOLVED: To provide an engine fuel injection control device inhibiting occurrence of torque shock when a constant-speed travel control means performs constant-speed travel control during filter regeneration. SOLUTION: A filter regeneration means allows a main injection to be performed near a top dead center of a compression stroke and then allows first and second after injections to be performed in a following expansion stroke to start the filter regeneration when a filter collection amount is judged to be not smaller than a starting condition value α and engine load is not smaller than predetermined load. The filter regeneration means allows the main injection to be performed near the top dead center of the compression stroke and then allows only the first after injection to be continuously performed in the following expansion stroke even if the engine load becomes smaller than the predetermined load when the constant-speed travel control means performs the constant-speed travel control during the filter regeneration. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种发动机燃料喷射控制装置，其在恒速行驶控制装置在过滤器再生期间执行恒速行驶控制时，抑制扭矩冲击的发生。解决方案：过滤器再生装置允许在压缩冲程的上止点附近进行主喷射，然后允许在随后的膨胀冲程中进行第一次和第二次喷射以在过滤器收集时开始过滤器再生判断为不小于启动条件值α，并且发动机负荷不小于预定负荷。过滤器再生装置允许在压缩冲程的上止点附近进行主喷射，然后仅在第一后喷射期间在随后的膨胀冲程中连续进行，即使当发动机负荷变得小于预定负载时恒速行驶控制装置在过滤器再生期间进行恒速行驶控制。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2006063884A Engine blow-by gas recirculation device 审中-公开
标题翻译：发动机气体再循环装置
公开(公告)号：JP2006063884A
公开(公告)日：2006-03-09
申请号：JP2004247141
申请日：2004-08-26
申请人： Mazda Motor Corp , マツダ株式会社
发明人： IMADA MASAYA , KODAMA HIROSHI , HASHIMOTO HIRONOBU , SUGAZAKI KENJI , TOUGEZAKI YUUJI , ONO HIROMI , NINOMIYA YUKIO , TANIMURA KENJI
IPC分类号： F01M13/00
摘要： PROBLEM TO BE SOLVED: To prevent clogging of a blow-by gas passage by suppressing freeze of condensed water in blow-by gas.
SOLUTION: An engine blow-by gas recirculation device re-circulating blow-by gas of the engine 1 to an intake air passage 26 via a blow-by gas passage 56 is provided with an intake pipe 20 and a blow-by gas recirculation pipe 5 including a blow-by gas recirculation hose 50 and an intake pipe side connection part 52 connecting the hose 50 to the intake pipe 20. The intake pipe side connection part 52 has a double pipe structure which consists of an inner pipe 53 connecting to the blow-by gas recirculation hose 50 and an outer pipe 54 arranged to surround an outer circumference of the inner pipe 53 and connected to an outer circumference wall of the inner pipe 53 at an upstream end and connected to the intake pipe 20 at a downstream end. The inner pipe 53 is arranged in such a manner that a downstream part of an axial line X is oriented downward and a downstream end surface of the inner pipe 53 is constructed in an oblique cut surface 53d opening toward a downstream side of the intake air passage 26.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过抑制窜气中的冷凝水冻结来防止窜气通道的堵塞。解决方案：将发动机1的窜气再循环经由窜气通道56向进气通道26再循环的发动机窜气再循环装置设置有进气管20和窜气气体再循环管5，其包括窜气再循环软管50和将软管50连接到进气管20的进气管侧连接部52.进气管侧连接部52具有双管结构，该双管结构由内管53 连接到窜气再循环软管50和外管54，其布置成围绕内管53的外周并且在上游端连接到内管53的外周壁并且连接到进气管20 下游端内管53以使轴线X的下游部朝向下方的方式配置，内管53的下游端面构成为向进气通道的下游侧开口的倾斜切割面53d 26.版权所有（C）2006，JPO＆NCIPI

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